Y10S 148/908
Spring
Y10S148/908 (Spring) appears on 81 US grants and 24 published applications in this corpus.
Search patents in Y10S- Granted patents
- 81
- Published applications
- 24
- Assignees
- 55
- Inventors
- 208
- Latest grant
- 6 Jan 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 7 | 2 |
| 2003 | 3 | 2 |
| 2004 | 0 | 1 |
| 2005 | 3 | 4 |
| 2006 | 0 | 6 |
| 2007 | 1 | 0 |
| 2008 | 4 | 0 |
| 2009 | 2 | 5 |
| 2010 | 3 | 3 |
| 2011 | 6 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High-strength and high-ductility steel for spring, method for producing same, and spring6 Jan 2015US 8,926,768 B2NHK Spring Co., Ltd.
- Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring29 May 2012US 8,187,530 B2Kobe Steel, Ltd.
- High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof15 May 2012US 8,177,925 B2Sumitomo Metal Industries, Ltd.
- Steel wire for cold-formed spring excellent in corrosion resistance and method for producing the same25 Oct 2011US 8,043,444 B2Kobe Steel, Ltd.
- High-strength spring steel excellent in brittle fracture resistance and method for producing same18 Oct 2011US 8,038,934 B2Kobe Steel, Ltd.
- High-strength and high-ductility steel for spring, method for producing same, and spring2 Feb 2012US 2012/0024436 A1NHK Spring Co., Ltd.
- High-strength spring steel excellent in brittle fracture resistance and method for producing same9 Sep 2010US 2010/0224287 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Spring element made from a ferritic chromium steel3 Jun 2010US 2010/0132846 A1Stahlwerk Ergste Westig GmbH
- Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring8 Apr 2010US 2010/0086432 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Salvage process for spring elements31 Dec 2009US 2009/0320970 A1Caterpillar Inc.
Most cited
By later US patents
- Spring steel with excellent resistance to hydrogen embrittlement and fatigue31US 5,776,267 AKabushiki Kaisha Kobe Seiko Sho · 1998
- Valve spring24US 6,371,464 B1Medtronic, Inc. · 2002
- Heat-resistant alloy wire23US 6,478,897 B1Sumitomo Electric Engineering, Ltd. · 2002
- Highly strengthened spring and process for producing the same21US 6,544,360 B1NHK Spring Co., Ltd. · 2003
- Spring steel having good durability and sag-resistance18US 5,009,843 AAichi Steel Works, Ltd. · 1991